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BIO 253 Exam 1 Questions and Complete Answers Graded A+.
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BIO 253 Exam 1 Questions and Complete Answers Graded A+.
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BIO 253 Exam 1 Questions with Complete SolutionsGraded A+
Denning [Date] [Course title] aortic valve - Correct Ans: heart valve between the left ventricle and the aorta
mitral valve - Correct Ans: located between the left atrium and left ventricle; aka bicuspid valve
pulmonary valve - Correct Ans: between right ventricle and pulmonary artery
tricuspid valve - Correct Ans: valve between the right atrium and the right ventricle
SA node - Correct Ans: pacemaker of the heart
cardiac conduction system - Correct Ans: a system of specialized muscle tissues that conducts electrical impulses that stimulate the heart to beat. SA node -> AV node -> AV bundle -> bundle of His -> purkinje fibers
P wave - Correct Ans: atrial depolarization
QRS wave - Correct Ans: ventricular depolarization and atrial repolarization
T wave - Correct Ans: ventricular repolarization
ST interval - Correct Ans: ventricular myocardium depolarized
QT interval - Correct Ans: ventricular depolarization and repolarization
blood flow through the heart - Correct Ans: SVC --> Rt atria --> Tricuspid --> Rt ventricle --> Pulmonic valve --> Lungs --> Lt atria --> Mitral valve --> Lt ventricle --> aortic valve --> aorta --> Body
coronary artery - Correct Ans: The artery that supplies myocardium (heart tissue) with blood
tissue type found in lumen of blood vessels, arteries, and veins - Correct Ans: endothelium
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